#21936E
Closest named color: Viridian (#1E9167). oklch(59.3% 0.114 165.8), rgb(33, 147, 110).
Aa
Black text reads best on this color (5.46:1).
About this color
#21936E is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.114 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.011 away. Black text reads best on it, at 5.46:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Viridian (#1E9167) |
| Black text | 5.46:1 |
| White text | 3.84:1 |
Values
| HEX | #21936E |
| RGB | rgb(33, 147, 110) |
| HSL | hsl(161, 63%, 35%) |
| OKLCH | oklch(59.3% 0.114 165.8) |
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 #21936E | 3.84:1 | AA large text | Lc -71.0 | Content text, not long reading |
| Black text on #21936E | 5.46:1 | AA | Lc 38.6 | Non-text elements, placeholder text |
| #21936E text on white | 3.84:1 | AA large text | Lc 65.5 | Content text, not long reading |
| #21936E text on black | 5.46:1 | AA | Lc -36.2 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EDE7
oklch(93.5% 0.015 164.7)
-
Step 200
200
#C9DFD5
oklch(88.4% 0.027 166.7)
-
Step 300
300
#A2CCB9
oklch(81% 0.052 165.8)
-
Step 400
400
#6DB195
oklch(70.7% 0.081 166.1)
-
Step 500
500
#3E9D7B
oklch(63% 0.104 166.4)
-
Step 600
600 (this color)
#21936E
oklch(59.3% 0.114 165.8)
-
Step 700
700
#007353
oklch(49.2% 0.103 165.6)
-
Step 800
800
#035E44
oklch(42.8% 0.088 166.1)
-
Step 900
900
#134D39
oklch(37.7% 0.069 165.8)
-
Step 950
950
#0E2D21
oklch(27% 0.043 165.1)
#21936E 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) | #90886C | 0.113 |
| Deuteranopia (no green cones) | #817E70 | 0.108 |
| Tritanopia (no blue cones) | #009389 | 0.040 |
| Achromatopsia (no color) | #828282 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21936E
#21936E
oklch(59.3% 0.114 165.8)
- #AE608C
#AE608C
oklch(59.2% 0.115 346.2)
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 #21936E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.011
- Ocean Green #3D9973 ΔE 0.026
- Sea Green #2E8B57 ΔE 0.033
- Light Forest Green #4F9153 ΔE 0.041
- Blue Green #0F9B8E ΔE 0.046
- Dusty Teal #4C9085 ΔE 0.051
- Persian Green #2A9D8F ΔE 0.051
- Dark Sage #598556 ΔE 0.053
Use #21936E 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.