#427D10
Closest named color: Dark Grass Green (#388004). oklch(52.9% 0.147 135.1), rgb(66, 125, 16).
Aa
White text reads best on this color (5.03:1).
About this color
#427D10 is a medium-dark, vivid green. In OKLCH its lightness is 53%, its chroma 0.147 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grass Green (#388004), ΔE 0.014 away. White text reads best on it, at 5.03:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Dark Grass Green (#388004) |
| Black text | 4.17:1 |
| White text | 5.03:1 |
Values
| HEX | #427D10 |
| RGB | rgb(66, 125, 16) |
| HSL | hsl(92, 77%, 28%) |
| OKLCH | oklch(52.9% 0.147 135.1) |
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 #427D10 | 5.03:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #427D10 | 4.17:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #427D10 text on white | 5.03:1 | AA | Lc 74.5 | Content text, not long reading |
| #427D10 text on black | 4.17:1 | AA large text | Lc -27.2 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E4EDE0
oklch(93.6% 0.02 135.8)
-
Step 200
200
#CFDFC7
oklch(88.5% 0.037 135)
-
Step 300
300
#AECBA0
oklch(80.9% 0.067 135.5)
-
Step 400
400
#83B06B
oklch(70.8% 0.107 135.3)
-
Step 500
500
#649B41
oklch(63.1% 0.136 134.9)
-
Step 600
600 (this color)
#427D10
oklch(52.9% 0.147 135.1)
-
Step 700
700
#3B710D
oklch(49.2% 0.137 135.1)
-
Step 800
800
#315C10
oklch(42.7% 0.114 135)
-
Step 900
900
#2C4C17
oklch(37.9% 0.088 135.1)
-
Step 950
950
#1A2C0F
oklch(26.9% 0.055 135)
#427D10 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) | #827200 | 0.088 |
| Deuteranopia (no green cones) | #7A6D1E | 0.088 |
| Tritanopia (no blue cones) | #40786A | 0.107 |
| Achromatopsia (no color) | #6F6F6F | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #427D10
#427D10
oklch(52.9% 0.147 135.1)
- #8B4CA5
#8B4CA5
oklch(52.9% 0.148 315.1)
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 #427D10, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grass Green #388004 ΔE 0.014
- Tree Green #2A7E19 ΔE 0.018
- Green #008000 ΔE 0.037
- Forest Green #228B22 ΔE 0.042
- Olive Green #677A04 ΔE 0.044
- Jungle Green #048243 ΔE 0.045
- Murky Green #6C7A0E ΔE 0.052
- Sap Green #5C8B15 ΔE 0.054
Use #427D10 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.