#31A415
Closest named color: Kelly Green (#02AB2E). oklch(63% 0.198 140.7), rgb(49, 164, 21).
Aa
Black text reads best on this color (6.45:1).
About this color
#31A415 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.198 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelly Green (#02AB2E), ΔE 0.021 away. Black text reads best on it, at 6.45:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.198) |
| Temperature | in between |
| Nearest name | Kelly Green (#02AB2E) |
| Black text | 6.45:1 |
| White text | 3.25:1 |
Values
| HEX | #31A415 |
| RGB | rgb(49, 164, 21) |
| HSL | hsl(108, 77%, 36%) |
| OKLCH | oklch(63% 0.198 140.7) |
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 #31A415 | 3.25:1 | AA large text | Lc -64.7 | Content text, not long reading |
| Black text on #31A415 | 6.45:1 | AA | Lc 44.7 | Non-text elements, placeholder text |
| #31A415 text on white | 3.25:1 | AA large text | Lc 59.3 | Large or bold text, headings |
| #31A415 text on black | 6.45:1 | AA | Lc -42.4 | 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 500.
-
Step 50
50
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E0EFDD
oklch(93.6% 0.029 140.5)
-
Step 200
200
#C7E3C1
oklch(88.6% 0.055 140.1)
-
Step 300
300
#9ED195
oklch(81% 0.098 140.8)
-
Step 400
400
#66B857
oklch(70.8% 0.156 140.6)
-
Step 500
500 (this color)
#31A415
oklch(63% 0.198 140.7)
-
Step 600
600
#218B00
oklch(55.6% 0.182 140.7)
-
Step 700
700
#1A7500
oklch(49.1% 0.161 140.8)
-
Step 800
800
#146000
oklch(42.7% 0.14 140.7)
-
Step 900
900
#0F5000
oklch(37.7% 0.123 140.7)
-
Step 950
950
#0A2F04
oklch(26.9% 0.081 140.8)
#31A415 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) | #A89400 | 0.135 |
| Deuteranopia (no green cones) | #9B8B2A | 0.134 |
| Tritanopia (no blue cones) | #179E8B | 0.132 |
| Achromatopsia (no color) | #8E8E8E | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31A415
#31A415
oklch(63% 0.198 140.7)
- #BC57D0
#BC57D0
oklch(62.9% 0.198 320.7)
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 #31A415, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelly Green #02AB2E ΔE 0.021
- Grassy Green #419C03 ΔE 0.023
- Grass Green #3F9B0B ΔE 0.025
- Leaf Green #5CA904 ΔE 0.037
- Medium Green #39AD48 ΔE 0.041
- Grass #5CAC2D ΔE 0.046
- Mid Green #50A747 ΔE 0.046
- Shamrock #01B44C ΔE 0.050
Use #31A415 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.