#21AE7E
Closest named color: Bluey Green (#2BB179). oklch(66.8% 0.135 163.9), rgb(33, 174, 126).
Aa
Black text reads best on this color (7.42:1).
About this color
#21AE7E is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.135 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluey Green (#2BB179), ΔE 0.013 away. Black text reads best on it, at 7.42:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Bluey Green (#2BB179) |
| Black text | 7.42:1 |
| White text | 2.83:1 |
Values
| HEX | #21AE7E |
| RGB | rgb(33, 174, 126) |
| HSL | hsl(160, 68%, 41%) |
| OKLCH | oklch(66.8% 0.135 163.9) |
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 #21AE7E | 2.83:1 | Fails | Lc -59.1 | Large or bold text, headings |
| Black text on #21AE7E | 7.42:1 | AAA | Lc 50.2 | Large or bold text, headings |
| #21AE7E text on white | 2.83:1 | Fails | Lc 53.8 | Large or bold text, headings |
| #21AE7E text on black | 7.42:1 | AAA | Lc -48.0 | 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 500.
-
Step 50
50
#F0F7F4
oklch(97% 0.008 168.8)
-
Step 100
100
#DFEEE6
oklch(93.6% 0.019 162.9)
-
Step 200
200
#C4E1D3
oklch(88.5% 0.036 164.9)
-
Step 300
300
#99CFB5
oklch(81% 0.067 163.7)
-
Step 400
400
#5AB58F
oklch(70.6% 0.105 164.2)
-
Step 500
500 (this color)
#21AE7E
oklch(66.8% 0.135 163.9)
-
Step 600
600
#008860
oklch(55.5% 0.118 164)
-
Step 700
700
#007350
oklch(49.2% 0.105 163.6)
-
Step 800
800
#005E41
oklch(42.7% 0.091 163.9)
-
Step 900
900
#004F36
oklch(37.9% 0.081 163.8)
-
Step 950
950
#022F1F
oklch(27.1% 0.056 163.8)
#21AE7E 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) | #ABA17B | 0.132 |
| Deuteranopia (no green cones) | #9A9581 | 0.127 |
| Tritanopia (no blue cones) | #00AEA1 | 0.050 |
| Achromatopsia (no color) | #9A9A9A | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21AE7E
#21AE7E
oklch(66.8% 0.135 163.9)
- #CD70A9
#CD70A9
oklch(66.7% 0.135 343.8)
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 #21AE7E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Green #2BB179 ΔE 0.013
- Dark Seafoam Green #3EAF76 ΔE 0.017
- Jade #1FA774 ΔE 0.022
- Dark Seafoam #1FB57A ΔE 0.023
- Seaweed Green #35AD6B ΔE 0.024
- Green Teal #0CB577 ΔE 0.026
- Jade Green #2BAF6A ΔE 0.028
- Medium Sea Green #3CB371 ΔE 0.028
Use #21AE7E 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.