#21BE96
Closest named color: Green Blue (#01C08D). oklch(71.6% 0.136 169.9), rgb(33, 190, 150).
Aa
Black text reads best on this color (8.87:1).
About this color
#21BE96 is a medium-light, moderately saturated green. In OKLCH its lightness is 72%, its chroma 0.136 and its hue 170°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Blue (#01C08D), ΔE 0.017 away. Black text reads best on it, at 8.87:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Green Blue (#01C08D) |
| Black text | 8.87:1 |
| White text | 2.36:1 |
Values
| HEX | #21BE96 |
| RGB | rgb(33, 190, 150) |
| HSL | hsl(165, 70%, 44%) |
| OKLCH | oklch(71.6% 0.136 169.9) |
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 #21BE96 | 2.36:1 | Fails | Lc -51.1 | Large or bold text, headings |
| Black text on #21BE96 | 8.87:1 | AAA | Lc 57.8 | Large or bold text, headings |
| #21BE96 text on white | 2.36:1 | Fails | Lc 46.1 | Large or bold text, headings |
| #21BE96 text on black | 8.87:1 | AAA | Lc -55.9 | 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 400.
-
Step 50
50
#EEF8F4
oklch(97.1% 0.012 170.3)
-
Step 100
100
#DBEFE7
oklch(93.5% 0.024 169.9)
-
Step 200
200
#BBE4D4
oklch(88.5% 0.048 169.5)
-
Step 300
300
#87D3B8
oklch(81% 0.085 169.7)
-
Step 400
400 (this color)
#21BE96
oklch(71.6% 0.136 169.9)
-
Step 500
500
#00A17E
oklch(63.1% 0.125 170.2)
-
Step 600
600
#008869
oklch(55.7% 0.111 169.5)
-
Step 700
700
#007258
oklch(49.1% 0.097 169.9)
-
Step 800
800
#005D48
oklch(42.6% 0.084 170.6)
-
Step 900
900
#004E3B
oklch(37.7% 0.075 169.6)
-
Step 950
950
#002F22
oklch(27.1% 0.054 168.9)
#21BE96 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) | #B8B094 | 0.138 |
| Deuteranopia (no green cones) | #A6A399 | 0.133 |
| Tritanopia (no blue cones) | #00BFB3 | 0.041 |
| Achromatopsia (no color) | #A8A8A8 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21BE96
#21BE96
oklch(71.6% 0.136 169.9)
- #E17EAF
#E17EAF
oklch(71.6% 0.135 350)
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 #21BE96, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Blue #01C08D ΔE 0.017
- Greenblue #23C48B ΔE 0.027
- Greeny Blue #42B395 ΔE 0.033
- Topaz #13BBAF ΔE 0.040
- Dark Seafoam #1FB57A ΔE 0.040
- Green Teal #0CB577 ΔE 0.045
- Bluey Green #2BB179 ΔE 0.046
- Medium Sea Green #3CB371 ΔE 0.049
Use #21BE96 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.