#31AE3B
Closest named color: Medium Green (#39AD48). oklch(66% 0.189 144.1), rgb(49, 174, 59).
Aa
Black text reads best on this color (7.24:1).
About this color
#31AE3B is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.189 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Green (#39AD48), ΔE 0.015 away. Black text reads best on it, at 7.24:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.189) |
| Temperature | in between |
| Nearest name | Medium Green (#39AD48) |
| Black text | 7.24:1 |
| White text | 2.89:1 |
Values
| HEX | #31AE3B |
| RGB | rgb(49, 174, 59) |
| HSL | hsl(125, 56%, 44%) |
| OKLCH | oklch(66% 0.189 144.1) |
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 #31AE3B | 2.89:1 | Fails | Lc -60.1 | Content text, not long reading |
| Black text on #31AE3B | 7.24:1 | AAA | Lc 49.3 | Large or bold text, headings |
| #31AE3B text on white | 2.89:1 | Fails | Lc 54.8 | Large or bold text, headings |
| #31AE3B text on black | 7.24:1 | AAA | Lc -47.0 | Large or bold text, headings |
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
#C5E3C4
oklch(88.6% 0.053 144.3)
-
Step 300
300
#9CD19B
oklch(81% 0.093 144.2)
-
Step 400
400
#61B862
oklch(70.7% 0.148 144)
-
Step 500
500 (this color)
#31AE3B
oklch(66% 0.189 144.1)
-
Step 600
600
#008C1C
oklch(55.6% 0.179 144.1)
-
Step 700
700
#007616
oklch(49.1% 0.159 144.1)
-
Step 800
800
#006110
oklch(42.8% 0.138 144.1)
-
Step 900
900
#00510C
oklch(37.8% 0.122 144.2)
-
Step 950
950
#063009
oklch(27.1% 0.079 144.1)
#31AE3B 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) | #B19E2C | 0.138 |
| Deuteranopia (no green cones) | #A39445 | 0.138 |
| Tritanopia (no blue cones) | #00A996 | 0.118 |
| Achromatopsia (no color) | #989898 | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31AE3B
#31AE3B
oklch(66% 0.189 144.1)
- #C862D2
#C862D2
oklch(65.9% 0.189 324)
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 #31AE3B, closest first.
No curated palette has a color within ΔE 0.04 of #31AE3B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Green #39AD48 ΔE 0.015
- Shamrock #01B44C ΔE 0.020
- Kelly Green #02AB2E ΔE 0.021
- Grass #5CAC2D ΔE 0.028
- Leaf Green #5CA904 ΔE 0.032
- Mid Green #50A747 ΔE 0.033
- Leafy Green #51B73B ΔE 0.036
- Dark Pastel Green #56AE57 ΔE 0.042
Use #31AE3B 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.