#33CF82
Closest named color: Seaweed (#18D17B). oklch(75.8% 0.168 156.2), rgb(51, 207, 130).
Aa
Black text reads best on this color (10.38:1).
About this color
#33CF82 is a medium-light, vivid green. In OKLCH its lightness is 76%, its chroma 0.168 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed (#18D17B), ΔE 0.015 away. Black text reads best on it, at 10.38:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.168) |
| Temperature | in between |
| Nearest name | Seaweed (#18D17B) |
| Black text | 10.38:1 |
| White text | 2.02:1 |
Values
| HEX | #33CF82 |
| RGB | rgb(51, 207, 130) |
| HSL | hsl(150, 62%, 51%) |
| OKLCH | oklch(75.8% 0.168 156.2) |
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 #33CF82 | 2.02:1 | Fails | Lc -43.2 | Non-text elements, placeholder text |
| Black text on #33CF82 | 10.38:1 | AAA | Lc 65.1 | Content text, not long reading |
| #33CF82 text on white | 2.02:1 | Fails | Lc 38.8 | Non-text elements, placeholder text |
| #33CF82 text on black | 10.38:1 | AAA | Lc -63.6 | Content text, not long reading |
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
#EEF8F2
oklch(97% 0.013 159.9)
-
Step 100
100
#DAF0E2
oklch(93.5% 0.03 157.9)
-
Step 200
200
#BBE5C9
oklch(88.4% 0.058 155.8)
-
Step 300
300
#86D5A4
oklch(80.9% 0.105 156)
-
Step 400
400 (this color)
#33CF82
oklch(75.8% 0.168 156.2)
-
Step 500
500
#00A461
oklch(63.2% 0.153 156.1)
-
Step 600
600
#008A51
oklch(55.7% 0.135 156.2)
-
Step 700
700
#007443
oklch(49.1% 0.119 156.1)
-
Step 800
800
#005F36
oklch(42.7% 0.103 156.1)
-
Step 900
900
#004F2C
oklch(37.6% 0.091 156.1)
-
Step 950
950
#002F18
oklch(26.8% 0.065 156.1)
#33CF82 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) | #CEBE7D | 0.152 |
| Deuteranopia (no green cones) | #BBB187 | 0.148 |
| Tritanopia (no blue cones) | #00CDBB | 0.079 |
| Achromatopsia (no color) | #B6B6B6 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33CF82
#33CF82
oklch(75.8% 0.168 156.2)
- #F183D8
#F183D8
oklch(75.8% 0.168 336.3)
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 #33CF82, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed #18D17B ΔE 0.015
- Emerald #06D6A0 ΔE 0.037
- Greenblue #23C48B ΔE 0.038
- Algae Green #21C36F ΔE 0.039
- Dark Mint #48C072 ΔE 0.040
- Dark Mint Green #20C073 ΔE 0.045
- Soft Green #6FC276 ΔE 0.046
- Aqua Green #12E193 ΔE 0.048
Use #33CF82 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.