#31912F
Closest named color: Kelley Green (#009337). oklch(58% 0.162 142.8), rgb(49, 145, 47).
Aa
Black text reads best on this color (5.22:1).
About this color
#31912F is a medium-dark, vivid green. In OKLCH its lightness is 58%, its chroma 0.162 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelley Green (#009337), ΔE 0.015 away. Black text reads best on it, at 5.22:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.162) |
| Temperature | in between |
| Nearest name | Kelley Green (#009337) |
| Black text | 5.22:1 |
| White text | 4.02:1 |
Values
| HEX | #31912F |
| RGB | rgb(49, 145, 47) |
| HSL | hsl(119, 51%, 38%) |
| OKLCH | oklch(58% 0.162 142.8) |
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 #31912F | 4.02:1 | AA large text | Lc -72.6 | Content text, not long reading |
| Black text on #31912F | 5.22:1 | AA | Lc 37.0 | Non-text elements, placeholder text |
| #31912F text on white | 4.02:1 | AA large text | Lc 67.1 | Content text, not long reading |
| #31912F text on black | 5.22:1 | AA | Lc -34.6 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEE1
oklch(93.7% 0.021 143.2)
-
Step 200
200
#CAE0C8
oklch(88.4% 0.04 142.9)
-
Step 300
300
#A6CDA2
oklch(80.9% 0.073 142.4)
-
Step 400
400
#73B36F
oklch(70.6% 0.117 142.9)
-
Step 500
500
#4B9F48
oklch(63% 0.148 143)
-
Step 600
600 (this color)
#31912F
oklch(58% 0.162 142.8)
-
Step 700
700
#197519
oklch(49.2% 0.151 142.8)
-
Step 800
800
#195F18
oklch(42.7% 0.124 142.8)
-
Step 900
900
#1C4E1B
oklch(37.7% 0.097 143)
-
Step 950
950
#122E11
oklch(27.1% 0.061 143)
#31912F 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) | #948422 | 0.115 |
| Deuteranopia (no green cones) | #897C38 | 0.116 |
| Tritanopia (no blue cones) | #1C8D7D | 0.104 |
| Achromatopsia (no color) | #7F7F7F | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31912F
#31912F
oklch(58% 0.162 142.8)
- #A653B1
#A653B1
oklch(57.9% 0.163 322.8)
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 #31912F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelley Green #009337 ΔE 0.015
- Irish Green #019529 ΔE 0.021
- Forest Green #228B22 ΔE 0.023
- Emerald Green #028F1E ΔE 0.025
- True Green #089404 ΔE 0.033
- Sap Green #5C8B15 ΔE 0.037
- Grass Green #3F9B0B ΔE 0.040
- Fern Green #548D44 ΔE 0.043
Use #31912F 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.