#31A028
Closest named color: Grassy Green (#419C03). oklch(62% 0.185 142), rgb(49, 160, 40).
Aa
Black text reads best on this color (6.18:1).
About this color
#31A028 is a medium-light, vivid green. In OKLCH its lightness is 62%, its chroma 0.185 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grassy Green (#419C03), ΔE 0.016 away. Black text reads best on it, at 6.18:1.
| Hue family | Greens |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.185) |
| Temperature | in between |
| Nearest name | Grassy Green (#419C03) |
| Black text | 6.18:1 |
| White text | 3.39:1 |
Values
| HEX | #31A028 |
| RGB | rgb(49, 160, 40) |
| HSL | hsl(116, 60%, 39%) |
| OKLCH | oklch(62% 0.185 142) |
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 #31A028 | 3.39:1 | AA large text | Lc -66.4 | Content text, not long reading |
| Black text on #31A028 | 6.18:1 | AA | Lc 43.1 | Non-text elements, placeholder text |
| #31A028 text on white | 3.39:1 | AA large text | Lc 60.9 | Content text, not long reading |
| #31A028 text on black | 6.18:1 | AA | Lc -40.8 | 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
#E0EFDF
oklch(93.7% 0.027 143.6)
-
Step 200
200
#C7E2C4
oklch(88.5% 0.05 142.4)
-
Step 300
300
#9FD09A
oklch(80.9% 0.091 142.4)
-
Step 400
400
#68B760
oklch(70.8% 0.145 142)
-
Step 500
500 (this color)
#31A028
oklch(62% 0.185 142)
-
Step 600
600
#0D8C00
oklch(55.6% 0.187 142)
-
Step 700
700
#097600
oklch(49.1% 0.165 142.1)
-
Step 800
800
#066100
oklch(42.8% 0.144 142)
-
Step 900
900
#0C5007
oklch(37.6% 0.12 142.1)
-
Step 950
950
#0B2F08
oklch(27% 0.076 142)
#31A028 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) | #A49110 | 0.129 |
| Deuteranopia (no green cones) | #978835 | 0.130 |
| Tritanopia (no blue cones) | #169B89 | 0.120 |
| Achromatopsia (no color) | #8B8B8B | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31A028
#31A028
oklch(62% 0.185 142)
- #B858C7
#B858C7
oklch(62% 0.186 322.1)
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 #31A028, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grassy Green #419C03 ΔE 0.016
- Grass Green #3F9B0B ΔE 0.016
- Kelly Green #02AB2E ΔE 0.031
- Irish Green #019529 ΔE 0.039
- Mid Green #50A747 ΔE 0.042
- Medium Green #39AD48 ΔE 0.043
- True Green #089404 ΔE 0.043
- Leaf Green #5CA904 ΔE 0.046
Use #31A028 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.