#337F10
Closest named color: Dark Grass Green (#388004). oklch(52.8% 0.157 138.6), rgb(51, 127, 16).
Aa
White text reads best on this color (5.01:1).
About this color
#337F10 is a medium-dark, vivid green. In OKLCH its lightness is 53%, its chroma 0.157 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grass Green (#388004), ΔE 0.007 away. White text reads best on it, at 5.01:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Dark Grass Green (#388004) |
| Black text | 4.18:1 |
| White text | 5.01:1 |
Values
| HEX | #337F10 |
| RGB | rgb(51, 127, 16) |
| HSL | hsl(101, 78%, 28%) |
| OKLCH | oklch(52.8% 0.157 138.6) |
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 #337F10 | 5.01:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #337F10 | 4.18:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #337F10 text on white | 5.01:1 | AA | Lc 74.3 | Content text, not long reading |
| #337F10 text on black | 4.18:1 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E3EDE0
oklch(93.5% 0.02 138.4)
-
Step 200
200
#CDE0C7
oklch(88.6% 0.039 138.2)
-
Step 300
300
#AACCA0
oklch(80.9% 0.071 138.6)
-
Step 400
400
#7CB16B
oklch(70.6% 0.113 138.4)
-
Step 500
500
#599D42
oklch(63% 0.143 138.5)
-
Step 600
600 (this color)
#337F10
oklch(52.8% 0.157 138.6)
-
Step 700
700
#2D730D
oklch(49.1% 0.147 138.6)
-
Step 800
800
#275E11
oklch(42.8% 0.122 138.6)
-
Step 900
900
#254D17
oklch(37.8% 0.094 138.6)
-
Step 950
950
#162D0F
oklch(27% 0.059 138.9)
#337F10 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) | #837300 | 0.102 |
| Deuteranopia (no green cones) | #7A6D1F | 0.102 |
| Tritanopia (no blue cones) | #2B7A6B | 0.108 |
| Achromatopsia (no color) | #6F6F6F | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337F10
#337F10
oklch(52.8% 0.157 138.6)
- #9047A4
#9047A4
oklch(52.7% 0.157 318.6)
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 #337F10, closest first.
No curated palette has a color within ΔE 0.04 of #337F10.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grass Green #388004 ΔE 0.007
- Tree Green #2A7E19 ΔE 0.008
- Green #008000 ΔE 0.024
- Forest Green #228B22 ΔE 0.034
- Jungle Green #048243 ΔE 0.041
- Emerald Green #028F1E ΔE 0.047
- Olive Green #677A04 ΔE 0.057
- Kelley Green #009337 ΔE 0.058
Use #337F10 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.