#018E41
Closest named color: Kelley Green (#009337). oklch(56.5% 0.155 150.3), rgb(1, 142, 65).
Aa
Black text reads best on this color (4.94:1).
About this color
#018E41 is a medium-dark, vivid green. In OKLCH its lightness is 57%, its chroma 0.155 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelley Green (#009337), ΔE 0.021 away. Black text reads best on it, at 4.94:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Kelley Green (#009337) |
| Black text | 4.94:1 |
| White text | 4.24:1 |
Values
| HEX | #018E41 |
| RGB | rgb(1, 142, 65) |
| HSL | hsl(147, 99%, 28%) |
| OKLCH | oklch(56.5% 0.155 150.3) |
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 #018E41 | 4.24:1 | AA large text | Lc -74.1 | Content text, not long reading |
| Black text on #018E41 | 4.94:1 | AA | Lc 35.4 | Non-text elements, placeholder text |
| #018E41 text on white | 4.24:1 | AA large text | Lc 68.7 | Content text, not long reading |
| #018E41 text on black | 4.94:1 | AA | Lc -33.0 | 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
#E1EEE3
oklch(93.6% 0.02 150.1)
-
Step 200
200
#C8E1CC
oklch(88.5% 0.039 150)
-
Step 300
300
#A1CEA9
oklch(80.9% 0.07 149.9)
-
Step 400
400
#6AB47B
oklch(70.6% 0.112 150.1)
-
Step 500
500
#3AA159
oklch(63.2% 0.143 150.1)
-
Step 600
600 (this color)
#018E41
oklch(56.5% 0.155 150.3)
-
Step 700
700
#007534
oklch(49.2% 0.135 150.2)
-
Step 800
800
#00602A
oklch(42.8% 0.117 150.4)
-
Step 900
900
#104F25
oklch(37.8% 0.094 149.9)
-
Step 950
950
#0C2E16
oklch(26.9% 0.059 150.2)
#018E41 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) | #8F813A | 0.127 |
| Deuteranopia (no green cones) | #817747 | 0.125 |
| Tritanopia (no blue cones) | #008B7C | 0.086 |
| Achromatopsia (no color) | #7B7B7B | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #018E41
#018E41
oklch(56.5% 0.155 150.3)
- #A74FA0
#A74FA0
oklch(56.6% 0.154 330.5)
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 #018E41, closest first.
No curated palette has a color within ΔE 0.04 of #018E41.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelley Green #009337 ΔE 0.021
- Forest Green #228B22 ΔE 0.026
- Emerald Green #028F1E ΔE 0.032
- Irish Green #019529 ΔE 0.035
- Sea Green #2E8B57 ΔE 0.038
- Jungle Green #048243 ΔE 0.038
- Fern Green #548D44 ΔE 0.048
- True Green #089404 ΔE 0.048
Use #018E41 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.