#21AA61
Closest named color: Jade Green (#2BAF6A). oklch(65.1% 0.156 153.7), rgb(33, 170, 97).
Aa
Black text reads best on this color (6.98:1).
About this color
#21AA61 is a medium-light, vivid green. In OKLCH its lightness is 65%, its chroma 0.156 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jade Green (#2BAF6A), ΔE 0.018 away. Black text reads best on it, at 6.98:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.156) |
| Temperature | in between |
| Nearest name | Jade Green (#2BAF6A) |
| Black text | 6.98:1 |
| White text | 3.00:1 |
Values
| HEX | #21AA61 |
| RGB | rgb(33, 170, 97) |
| HSL | hsl(148, 67%, 40%) |
| OKLCH | oklch(65.1% 0.156 153.7) |
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 #21AA61 | 3.00:1 | AA large text | Lc -61.6 | Content text, not long reading |
| Black text on #21AA61 | 6.98:1 | AA | Lc 47.8 | Large or bold text, headings |
| #21AA61 text on white | 3.00:1 | AA large text | Lc 56.2 | Large or bold text, headings |
| #21AA61 text on black | 6.98:1 | AA | Lc -45.5 | 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
#F1F8F2
oklch(97.2% 0.011 149.9)
-
Step 100
100
#DFEEE3
oklch(93.5% 0.022 154.1)
-
Step 200
200
#C5E2CC
oklch(88.5% 0.043 152.7)
-
Step 300
300
#9BD0AA
oklch(81% 0.077 153.3)
-
Step 400
400
#5DB77D
oklch(70.8% 0.122 153.7)
-
Step 500
500 (this color)
#21AA61
oklch(65.1% 0.156 153.7)
-
Step 600
600
#008A4A
oklch(55.6% 0.141 153.6)
-
Step 700
700
#00743E
oklch(49% 0.124 153.9)
-
Step 800
800
#005F31
oklch(42.6% 0.108 153.6)
-
Step 900
900
#005028
oklch(37.8% 0.097 153.4)
-
Step 950
950
#042F17
oklch(27% 0.064 153.7)
#21AA61 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) | #AA9B5C | 0.136 |
| Deuteranopia (no green cones) | #9A9066 | 0.133 |
| Tritanopia (no blue cones) | #00A898 | 0.079 |
| Achromatopsia (no color) | #959595 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21AA61
#21AA61
oklch(65.1% 0.156 153.7)
- #C667B7
#C667B7
oklch(65.1% 0.156 333.4)
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 #21AA61, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade Green #2BAF6A ΔE 0.018
- Seaweed Green #35AD6B ΔE 0.018
- Jade #1FA774 ΔE 0.029
- Medium Green #39AD48 ΔE 0.032
- Mid Green #50A747 ΔE 0.032
- Bluey Green #2BB179 ΔE 0.034
- Algae #54AC68 ΔE 0.034
- Dark Seafoam Green #3EAF76 ΔE 0.034
Use #21AA61 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.