#21BE83
Closest named color: Green Blue (#01C08D). oklch(71.1% 0.151 161.3), rgb(33, 190, 131).
Aa
Black text reads best on this color (8.75:1).
About this color
#21BE83 is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.151 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Blue (#01C08D), ΔE 0.013 away. Black text reads best on it, at 8.75:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Green Blue (#01C08D) |
| Black text | 8.75:1 |
| White text | 2.39:1 |
Values
| HEX | #21BE83 |
| RGB | rgb(33, 190, 131) |
| HSL | hsl(157, 70%, 44%) |
| OKLCH | oklch(71.1% 0.151 161.3) |
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 #21BE83 | 2.39:1 | Fails | Lc -51.7 | Large or bold text, headings |
| Black text on #21BE83 | 8.75:1 | AAA | Lc 57.3 | Large or bold text, headings |
| #21BE83 text on white | 2.39:1 | Fails | Lc 46.7 | Large or bold text, headings |
| #21BE83 text on black | 8.75:1 | AAA | Lc -55.3 | 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
#EFF8F3
oklch(97.1% 0.012 162.1)
-
Step 100
100
#DBF0E4
oklch(93.6% 0.027 160.9)
-
Step 200
200
#BCE4CE
oklch(88.4% 0.051 161.1)
-
Step 300
300
#88D4AD
oklch(80.9% 0.094 161)
-
Step 400
400 (this color)
#21BE83
oklch(71.1% 0.151 161.3)
-
Step 500
500
#00A36E
oklch(63.2% 0.14 161.4)
-
Step 600
600
#00895B
oklch(55.6% 0.124 161)
-
Step 700
700
#00734C
oklch(49.1% 0.109 161.2)
-
Step 800
800
#005E3E
oklch(42.6% 0.094 161.6)
-
Step 900
900
#004F33
oklch(37.8% 0.084 161.3)
-
Step 950
950
#002F1D
oklch(27% 0.059 161.7)
#21BE83 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) | #BBAF7F | 0.143 |
| Deuteranopia (no green cones) | #A9A287 | 0.140 |
| Tritanopia (no blue cones) | #00BDAE | 0.062 |
| Achromatopsia (no color) | #A7A7A7 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21BE83
#21BE83
oklch(71.1% 0.151 161.3)
- #DF79BD
#DF79BD
oklch(71.1% 0.15 341.2)
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 #21BE83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Blue #01C08D ΔE 0.013
- Greenblue #23C48B ΔE 0.018
- Dark Mint Green #20C073 ΔE 0.024
- Dark Seafoam #1FB57A ΔE 0.026
- Dark Mint #48C072 ΔE 0.028
- Green Teal #0CB577 ΔE 0.029
- Medium Sea Green #3CB371 ΔE 0.032
- Algae Green #21C36F ΔE 0.033
Use #21BE83 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.