#11C97F
Closest named color: Algae Green (#21C36F). oklch(73.7% 0.17 157.9), rgb(17, 201, 127).
Aa
Black text reads best on this color (9.68:1).
About this color
#11C97F is a medium-light, vivid green. In OKLCH its lightness is 74%, its chroma 0.170 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Algae Green (#21C36F), ΔE 0.022 away. Black text reads best on it, at 9.68:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.170) |
| Temperature | in between |
| Nearest name | Algae Green (#21C36F) |
| Black text | 9.68:1 |
| White text | 2.16:1 |
Values
| HEX | #11C97F |
| RGB | rgb(17, 201, 127) |
| HSL | hsl(156, 84%, 43%) |
| OKLCH | oklch(73.7% 0.17 157.9) |
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 #11C97F | 2.16:1 | Fails | Lc -46.6 | Large or bold text, headings |
| Black text on #11C97F | 9.68:1 | AAA | Lc 62.0 | Content text, not long reading |
| #11C97F text on white | 2.16:1 | Fails | Lc 42.0 | Non-text elements, placeholder text |
| #11C97F text on black | 9.68:1 | 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
#EEF9F2
oklch(97.2% 0.015 158.3)
-
Step 100
100
#DAF1E2
oklch(93.7% 0.031 157.2)
-
Step 200
200
#B9E6CA
oklch(88.6% 0.06 157.6)
-
Step 300
300
#82D6A6
oklch(80.9% 0.107 157.8)
-
Step 400
400 (this color)
#11C97F
oklch(73.7% 0.17 157.9)
-
Step 500
500
#00A365
oklch(63% 0.148 157.8)
-
Step 600
600
#008955
oklch(55.5% 0.129 158.2)
-
Step 700
700
#007446
oklch(49.2% 0.116 157.5)
-
Step 800
800
#005F39
oklch(42.8% 0.1 157.9)
-
Step 900
900
#004F2F
oklch(37.7% 0.088 158.2)
-
Step 950
950
#002F1A
oklch(26.9% 0.063 158.2)
#11C97F 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) | #C7B87A | 0.156 |
| Deuteranopia (no green cones) | #B4AA84 | 0.153 |
| Tritanopia (no blue cones) | #00C8B6 | 0.077 |
| Achromatopsia (no color) | #B0B0B0 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #11C97F
#11C97F
oklch(73.7% 0.17 157.9)
- #EC7BCF
#EC7BCF
oklch(73.7% 0.17 337.8)
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 #11C97F, closest first.
No curated palette has a color within ΔE 0.04 of #11C97F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Algae Green #21C36F ΔE 0.022
- Greenblue #23C48B ΔE 0.025
- Seaweed #18D17B ΔE 0.025
- Dark Mint Green #20C073 ΔE 0.026
- Dark Mint #48C072 ΔE 0.028
- Green Blue #01C08D ΔE 0.037
- Soft Green #6FC276 ΔE 0.048
- Emerald #06D6A0 ΔE 0.049
Use #11C97F 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.