#018740
Closest named color: Jungle Green (#048243). oklch(54.6% 0.147 151), rgb(1, 135, 64).
Aa
White text reads best on this color (4.62:1).
About this color
#018740 is a medium-dark, vivid green. In OKLCH its lightness is 55%, its chroma 0.147 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.017 away. White text reads best on it, at 4.62:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.54:1 |
| White text | 4.62:1 |
Values
| HEX | #018740 |
| RGB | rgb(1, 135, 64) |
| HSL | hsl(148, 99%, 27%) |
| OKLCH | oklch(54.6% 0.147 151) |
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 #018740 | 4.62:1 | AA | Lc -76.9 | Fine for body text |
| Black text on #018740 | 4.54:1 | AA | Lc 32.6 | Non-text elements, placeholder text |
| #018740 text on white | 4.62:1 | AA | Lc 71.5 | Content text, not long reading |
| #018740 text on black | 4.54:1 | AA | Lc -30.2 | 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
#C9E0CD
oklch(88.4% 0.036 150.5)
-
Step 300
300
#A2CDAB
oklch(80.8% 0.066 151)
-
Step 400
400
#6DB37E
oklch(70.6% 0.105 150.7)
-
Step 500
500
#3FA05D
oklch(63.1% 0.135 150.8)
-
Step 600
600 (this color)
#018740
oklch(54.6% 0.147 151)
-
Step 700
700
#007536
oklch(49.2% 0.133 150.8)
-
Step 800
800
#045F2C
oklch(42.6% 0.112 151)
-
Step 900
900
#144E28
oklch(37.6% 0.087 151)
-
Step 950
950
#0E2E18
oklch(27% 0.056 151.2)
#018740 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) | #887A3A | 0.123 |
| Deuteranopia (no green cones) | #7B7145 | 0.121 |
| Tritanopia (no blue cones) | #008577 | 0.081 |
| Achromatopsia (no color) | #757575 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #018740
#018740
oklch(54.6% 0.147 151)
- #9F4B97
#9F4B97
oklch(54.6% 0.147 331.1)
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 #018740, closest first.
No curated palette has a color within ΔE 0.04 of #018740.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.017
- Forest Green #228B22 ΔE 0.034
- Tree Green #2A7E19 ΔE 0.037
- Sea Green #2E8B57 ΔE 0.037
- Kelley Green #009337 ΔE 0.041
- Dark Grass Green #388004 ΔE 0.041
- Emerald Green #028F1E ΔE 0.044
- Green #008000 ΔE 0.046
Use #018740 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.