#33AC70
Closest named color: Seaweed Green (#35AD6B). oklch(66.3% 0.139 157.1), rgb(51, 172, 112).
Aa
Black text reads best on this color (7.27:1).
About this color
#33AC70 is a medium-light, moderately saturated green. In OKLCH its lightness is 66%, its chroma 0.139 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed Green (#35AD6B), ΔE 0.008 away. Black text reads best on it, at 7.27:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Seaweed Green (#35AD6B) |
| Black text | 7.27:1 |
| White text | 2.88:1 |
Values
| HEX | #33AC70 |
| RGB | rgb(51, 172, 112) |
| HSL | hsl(150, 54%, 44%) |
| OKLCH | oklch(66.3% 0.139 157.1) |
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 #33AC70 | 2.88:1 | Fails | Lc -60.0 | Content text, not long reading |
| Black text on #33AC70 | 7.27:1 | AAA | Lc 49.3 | Large or bold text, headings |
| #33AC70 text on white | 2.88:1 | Fails | Lc 54.7 | Large or bold text, headings |
| #33AC70 text on black | 7.27:1 | AAA | Lc -47.1 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E0EEE5
oklch(93.6% 0.019 157.9)
-
Step 200
200
#C6E1CF
oklch(88.5% 0.038 156.4)
-
Step 300
300
#9DCEAF
oklch(80.8% 0.067 156.8)
-
Step 400
400
#61B585
oklch(70.7% 0.109 157)
-
Step 500
500 (this color)
#33AC70
oklch(66.3% 0.139 157.1)
-
Step 600
600
#008A53
oklch(55.7% 0.133 157)
-
Step 700
700
#007445
oklch(49.2% 0.117 157)
-
Step 800
800
#005F38
oklch(42.7% 0.101 157.3)
-
Step 900
900
#004F2E
oklch(37.6% 0.089 157.5)
-
Step 950
950
#072F1B
oklch(27.2% 0.058 156.9)
#33AC70 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) | #AB9E6C | 0.127 |
| Deuteranopia (no green cones) | #9C9474 | 0.124 |
| Tritanopia (no blue cones) | #00AB9C | 0.063 |
| Achromatopsia (no color) | #989898 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33AC70
#33AC70
oklch(66.3% 0.139 157.1)
- #C86FB2
#C86FB2
oklch(66.3% 0.14 337)
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 #33AC70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed Green #35AD6B ΔE 0.008
- Dark Seafoam Green #3EAF76 ΔE 0.013
- Jade Green #2BAF6A ΔE 0.014
- Bluey Green #2BB179 ΔE 0.015
- Jade #1FA774 ΔE 0.020
- Medium Sea Green #3CB371 ΔE 0.022
- Algae #54AC68 ΔE 0.022
- Dark Seafoam #1FB57A ΔE 0.025
Use #33AC70 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.