#427D31
Closest named color: Tree Green (#2A7E19). oklch(53.2% 0.126 139.2), rgb(66, 125, 49).
Aa
White text reads best on this color (4.98:1).
About this color
#427D31 is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.126 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.032 away. White text reads best on it, at 4.98:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 4.20:1 |
| White text | 4.98:1 |
Values
| HEX | #427D31 |
| RGB | rgb(66, 125, 49) |
| HSL | hsl(107, 44%, 34%) |
| OKLCH | oklch(53.2% 0.126 139.2) |
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 #427D31 | 4.98:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #427D31 | 4.20:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #427D31 text on white | 4.98:1 | AA | Lc 74.3 | Content text, not long reading |
| #427D31 text on black | 4.20:1 | AA large text | Lc -27.4 | Dividers and decoration only |
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
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E4EDE2
oklch(93.6% 0.017 140)
-
Step 200
200
#CFDFCB
oklch(88.6% 0.032 139.4)
-
Step 300
300
#AECAA7
oklch(80.9% 0.057 139.4)
-
Step 400
400
#83AF78
oklch(70.8% 0.091 139.5)
-
Step 500
500
#639A54
oklch(63% 0.116 139.2)
-
Step 600
600 (this color)
#427D31
oklch(53.2% 0.126 139.2)
-
Step 700
700
#3A702A
oklch(49.1% 0.117 139.1)
-
Step 800
800
#315B24
oklch(42.7% 0.096 138.9)
-
Step 900
900
#2B4B23
oklch(37.7% 0.075 139.6)
-
Step 950
950
#1A2C15
oklch(27% 0.047 139.1)
#427D31 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) | #817329 | 0.085 |
| Deuteranopia (no green cones) | #796E37 | 0.084 |
| Tritanopia (no blue cones) | #3D796C | 0.084 |
| Achromatopsia (no color) | #6F6F6F | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #427D31
#427D31
oklch(53.2% 0.126 139.2)
- #8B529A
#8B529A
oklch(53.2% 0.125 319)
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 #427D31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.032
- Jungle Green #048243 ΔE 0.033
- Dark Grass Green #388004 ΔE 0.035
- Olive Green #677A04 ΔE 0.044
- Military Green #667C3E ΔE 0.048
- Muddy Green #657432 ΔE 0.048
- Murky Green #6C7A0E ΔE 0.050
- Sea Green #2E8B57 ΔE 0.050
Use #427D31 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.