#21AA80
Closest named color: Jade (#1FA774). oklch(65.8% 0.128 166.4), rgb(33, 170, 128).
Aa
Black text reads best on this color (7.12:1).
About this color
#21AA80 is a medium-light, moderately saturated green. In OKLCH its lightness is 66%, its chroma 0.128 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jade (#1FA774), ΔE 0.017 away. Black text reads best on it, at 7.12:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Jade (#1FA774) |
| Black text | 7.12:1 |
| White text | 2.94:1 |
Values
| HEX | #21AA80 |
| RGB | rgb(33, 170, 128) |
| HSL | hsl(162, 67%, 40%) |
| OKLCH | oklch(65.8% 0.128 166.4) |
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 #21AA80 | 2.94:1 | Fails | Lc -60.8 | Content text, not long reading |
| Black text on #21AA80 | 7.12:1 | AAA | Lc 48.6 | Large or bold text, headings |
| #21AA80 text on white | 2.94:1 | Fails | Lc 55.5 | Large or bold text, headings |
| #21AA80 text on black | 7.12:1 | AAA | Lc -46.3 | 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 500.
-
Step 50
50
#F0F7F4
oklch(97% 0.008 168.8)
-
Step 100
100
#DFEEE7
oklch(93.6% 0.018 166.4)
-
Step 200
200
#C4E1D4
oklch(88.5% 0.035 166.8)
-
Step 300
300
#9ACEB8
oklch(80.9% 0.062 166.9)
-
Step 400
400
#5CB593
oklch(70.8% 0.1 166.4)
-
Step 500
500 (this color)
#21AA80
oklch(65.8% 0.128 166.4)
-
Step 600
600
#008864
oklch(55.6% 0.115 166.4)
-
Step 700
700
#007254
oklch(49% 0.101 166.9)
-
Step 800
800
#005E44
oklch(42.7% 0.088 166.3)
-
Step 900
900
#004E38
oklch(37.6% 0.078 166.4)
-
Step 950
950
#032E21
oklch(26.9% 0.052 167.7)
#21AA80 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) | #A69D7E | 0.128 |
| Deuteranopia (no green cones) | #959183 | 0.124 |
| Tritanopia (no blue cones) | #00AB9E | 0.043 |
| Achromatopsia (no color) | #969696 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21AA80
#21AA80
oklch(65.8% 0.128 166.4)
- #C96FA2
#C96FA2
oklch(65.8% 0.129 346.2)
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 #21AA80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade #1FA774 ΔE 0.017
- Bluey Green #2BB179 ΔE 0.026
- Dark Seafoam Green #3EAF76 ΔE 0.027
- Seaweed Green #35AD6B ΔE 0.033
- Dark Seafoam #1FB57A ΔE 0.036
- Jade Green #2BAF6A ΔE 0.037
- Green Teal #0CB577 ΔE 0.039
- Medium Sea Green #3CB371 ΔE 0.041
Use #21AA80 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.