#018E36
Closest named color: Kelley Green (#009337). oklch(56.4% 0.164 147.7), rgb(1, 142, 54).
Aa
Black text reads best on this color (4.92:1).
About this color
#018E36 is a medium-dark, vivid green. In OKLCH its lightness is 56%, its chroma 0.164 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelley Green (#009337), ΔE 0.015 away. Black text reads best on it, at 4.92:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.164) |
| Temperature | in between |
| Nearest name | Kelley Green (#009337) |
| Black text | 4.92:1 |
| White text | 4.26:1 |
Values
| HEX | #018E36 |
| RGB | rgb(1, 142, 54) |
| HSL | hsl(143, 99%, 28%) |
| OKLCH | oklch(56.4% 0.164 147.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #018E36 | 4.26:1 | AA large text | Lc -74.3 | Content text, not long reading |
| Black text on #018E36 | 4.92:1 | AA | Lc 35.3 | Non-text elements, placeholder text |
| #018E36 text on white | 4.26:1 | AA large text | Lc 68.8 | Content text, not long reading |
| #018E36 text on black | 4.92:1 | AA | Lc -32.9 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E1EEE2
oklch(93.6% 0.021 147.6)
-
Step 200
200
#C8E1CA
oklch(88.5% 0.041 147.5)
-
Step 300
300
#A1CEA6
oklch(80.9% 0.073 147.8)
-
Step 400
400
#6AB575
oklch(70.8% 0.119 147.6)
-
Step 500
500
#3AA151
oklch(63% 0.15 147.9)
-
Step 600
600 (this color)
#018E36
oklch(56.4% 0.164 147.7)
-
Step 700
700
#00752B
oklch(49% 0.143 147.8)
-
Step 800
800
#006022
oklch(42.6% 0.124 147.8)
-
Step 900
900
#104F20
oklch(37.7% 0.099 147.7)
-
Step 950
950
#0D2E14
oklch(26.9% 0.061 148)
#018E36 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #90802D | 0.129 |
| Deuteranopia (no green cones) | #82773D | 0.127 |
| Tritanopia (no blue cones) | #008B7B | 0.096 |
| Achromatopsia (no color) | #7A7A7A | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #018E36
#018E36
oklch(56.4% 0.164 147.7)
- #A64CA6
#A64CA6
oklch(56.4% 0.163 327.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #018E36, closest first.
No curated palette has a color within ΔE 0.04 of #018E36.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelley Green #009337 ΔE 0.015
- Forest Green #228B22 ΔE 0.016
- Emerald Green #028F1E ΔE 0.020
- Irish Green #019529 ΔE 0.027
- True Green #089404 ΔE 0.038
- Jungle Green #048243 ΔE 0.044
- Dark Grass Green #388004 ΔE 0.044
- Tree Green #2A7E19 ΔE 0.047
Use #018E36 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.