#31C96F
Closest named color: Algae Green (#21C36F). oklch(73.8% 0.178 152), rgb(49, 201, 111).
Aa
Black text reads best on this color (9.71:1).
About this color
#31C96F is a medium-light, vivid green. In OKLCH its lightness is 74%, its chroma 0.178 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Algae Green (#21C36F), ΔE 0.019 away. Black text reads best on it, at 9.71:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.178) |
| Temperature | in between |
| Nearest name | Algae Green (#21C36F) |
| Black text | 9.71:1 |
| White text | 2.16:1 |
Values
| HEX | #31C96F |
| RGB | rgb(49, 201, 111) |
| HSL | hsl(144, 61%, 49%) |
| OKLCH | oklch(73.8% 0.178 152) |
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 #31C96F | 2.16:1 | Fails | Lc -46.6 | Large or bold text, headings |
| Black text on #31C96F | 9.71:1 | AAA | Lc 62.0 | Content text, not long reading |
| #31C96F text on white | 2.16:1 | Fails | Lc 42.0 | Non-text elements, placeholder text |
| #31C96F text on black | 9.71:1 | AAA | Lc -60.3 | Content text, not long reading |
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 400.
-
Step 50
50
#EFF9F1
oklch(97.2% 0.015 151.8)
-
Step 100
100
#DBF1DF
oklch(93.7% 0.033 150.8)
-
Step 200
200
#BCE6C5
oklch(88.6% 0.063 151.4)
-
Step 300
300
#87D69D
oklch(81% 0.112 152.1)
-
Step 400
400 (this color)
#31C96F
oklch(73.8% 0.178 152)
-
Step 500
500
#00A554
oklch(63.2% 0.166 152.1)
-
Step 600
600
#008A45
oklch(55.5% 0.146 152)
-
Step 700
700
#007439
oklch(49% 0.129 152)
-
Step 800
800
#00602E
oklch(42.8% 0.113 152)
-
Step 900
900
#005025
oklch(37.8% 0.1 151.8)
-
Step 950
950
#003014
oklch(27.1% 0.071 152.1)
#31C96F 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) | #C9B868 | 0.151 |
| Deuteranopia (no green cones) | #B8AB75 | 0.150 |
| Tritanopia (no blue cones) | #00C6B3 | 0.094 |
| Achromatopsia (no color) | #B0B0B0 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31C96F
#31C96F
oklch(73.8% 0.178 152)
- #E97BDC
#E97BDC
oklch(73.8% 0.179 331.8)
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 #31C96F, closest first.
No curated palette has a color within ΔE 0.04 of #31C96F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Algae Green #21C36F ΔE 0.019
- Seaweed #18D17B ΔE 0.022
- Dark Mint #48C072 ΔE 0.028
- Dark Mint Green #20C073 ΔE 0.029
- Greenblue #23C48B ΔE 0.042
- Shamrock Green #02C14D ΔE 0.043
- Soft Green #6FC276 ΔE 0.047
- Cool Green #33B864 ΔE 0.048
Use #31C96F 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.