#42851D
Closest named color: Dark Grass Green (#388004). oklch(55.2% 0.151 137), rgb(66, 133, 29).
Aa
Black text reads best on this color (4.60:1).
About this color
#42851D is a medium-dark, vivid green. In OKLCH its lightness is 55%, its chroma 0.151 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grass Green (#388004), ΔE 0.021 away. Black text reads best on it, at 4.60:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Dark Grass Green (#388004) |
| Black text | 4.60:1 |
| White text | 4.56:1 |
Values
| HEX | #42851D |
| RGB | rgb(66, 133, 29) |
| HSL | hsl(99, 64%, 32%) |
| OKLCH | oklch(55.2% 0.151 137) |
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 #42851D | 4.56:1 | AA | Lc -76.9 | Fine for body text |
| Black text on #42851D | 4.60:1 | AA | Lc 32.7 | Non-text elements, placeholder text |
| #42851D text on white | 4.56:1 | AA | Lc 71.4 | Content text, not long reading |
| #42851D text on black | 4.60:1 | AA | Lc -30.3 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E4EDE0
oklch(93.6% 0.02 135.8)
-
Step 200
200
#CEDFC7
oklch(88.4% 0.037 136.5)
-
Step 300
300
#ACCBA0
oklch(80.8% 0.068 137)
-
Step 400
400
#80B06C
oklch(70.6% 0.108 136.9)
-
Step 500
500
#5E9C42
oklch(63% 0.139 137)
-
Step 600
600 (this color)
#42851D
oklch(55.2% 0.151 137)
-
Step 700
700
#35720F
oklch(49.2% 0.141 136.9)
-
Step 800
800
#2C5D12
oklch(42.8% 0.117 137.2)
-
Step 900
900
#284C17
oklch(37.6% 0.091 137.1)
-
Step 950
950
#182D0F
oklch(27.1% 0.058 137.2)
#42851D 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) | #8A7905 | 0.095 |
| Deuteranopia (no green cones) | #817428 | 0.095 |
| Tritanopia (no blue cones) | #3E8071 | 0.106 |
| Achromatopsia (no color) | #767676 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42851D
#42851D
oklch(55.2% 0.151 137)
- #9551AB
#9551AB
oklch(55.2% 0.151 317.3)
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 #42851D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grass Green #388004 ΔE 0.021
- Forest Green #228B22 ΔE 0.025
- Tree Green #2A7E19 ΔE 0.031
- Sap Green #5C8B15 ΔE 0.035
- Emerald Green #028F1E ΔE 0.039
- Kelley Green #009337 ΔE 0.044
- Mossy Green #638B27 ΔE 0.044
- Green #008000 ΔE 0.044
Use #42851D 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.