#21B46D
Closest named color: Green Teal (#0CB577). oklch(68% 0.157 155.7), rgb(33, 180, 109).
Aa
Black text reads best on this color (7.81:1).
About this color
#21B46D is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.157 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Teal (#0CB577), ΔE 0.012 away. Black text reads best on it, at 7.81:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Green Teal (#0CB577) |
| Black text | 7.81:1 |
| White text | 2.68:1 |
Values
| HEX | #21B46D |
| RGB | rgb(33, 180, 109) |
| HSL | hsl(151, 69%, 42%) |
| OKLCH | oklch(68% 0.157 155.7) |
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 #21B46D | 2.68:1 | Fails | Lc -56.8 | Large or bold text, headings |
| Black text on #21B46D | 7.81:1 | AAA | Lc 52.4 | Large or bold text, headings |
| #21B46D text on white | 2.68:1 | Fails | Lc 51.7 | Large or bold text, headings |
| #21B46D text on black | 7.81:1 | AAA | Lc -50.2 | 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
#EFF8F2
oklch(97.1% 0.012 157)
-
Step 100
100
#DCF0E2
oklch(93.6% 0.028 155.3)
-
Step 200
200
#BDE4CA
oklch(88.4% 0.054 156)
-
Step 300
300
#8BD4A6
oklch(80.9% 0.098 155.8)
-
Step 400
400 (this color)
#21B46D
oklch(68% 0.157 155.7)
-
Step 500
500
#00A460
oklch(63.2% 0.154 155.8)
-
Step 600
600
#008A50
oklch(55.7% 0.136 155.8)
-
Step 700
700
#007442
oklch(49.1% 0.12 155.6)
-
Step 800
800
#005F35
oklch(42.7% 0.104 155.6)
-
Step 900
900
#004F2C
oklch(37.6% 0.091 156.1)
-
Step 950
950
#003018
oklch(27.2% 0.067 155.5)
#21B46D 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) | #B3A568 | 0.141 |
| Deuteranopia (no green cones) | #A29972 | 0.138 |
| Tritanopia (no blue cones) | #00B2A2 | 0.076 |
| Achromatopsia (no color) | #9E9E9E | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21B46D
#21B46D
oklch(68% 0.157 155.7)
- #D36FBD
#D36FBD
oklch(68.1% 0.157 336.1)
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 #21B46D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Teal #0CB577 ΔE 0.012
- Jade Green #2BAF6A ΔE 0.014
- Medium Sea Green #3CB371 ΔE 0.014
- Dark Seafoam #1FB57A ΔE 0.016
- Cool Green #33B864 ΔE 0.020
- Seaweed Green #35AD6B ΔE 0.020
- Bluey Green #2BB179 ΔE 0.021
- Dark Seafoam Green #3EAF76 ΔE 0.025
Use #21B46D 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.