#33CC73
Closest named color: Seaweed (#18D17B). oklch(74.7% 0.178 152.5), rgb(51, 204, 115).
Aa
Black text reads best on this color (10.02:1).
About this color
#33CC73 is a medium-light, vivid green. In OKLCH its lightness is 75%, its chroma 0.178 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed (#18D17B), ΔE 0.014 away. Black text reads best on it, at 10.02:1.
| Hue family | Greens |
| Lightness | medium-light (75%) |
| Chroma | vivid (0.178) |
| Temperature | in between |
| Nearest name | Seaweed (#18D17B) |
| Black text | 10.02:1 |
| White text | 2.09:1 |
Values
| HEX | #33CC73 |
| RGB | rgb(51, 204, 115) |
| HSL | hsl(145, 60%, 50%) |
| OKLCH | oklch(74.7% 0.178 152.5) |
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 #33CC73 | 2.09:1 | Fails | Lc -45.1 | Large or bold text, headings |
| Black text on #33CC73 | 10.02:1 | AAA | Lc 63.5 | Content text, not long reading |
| #33CC73 text on white | 2.09:1 | Fails | Lc 40.5 | Non-text elements, placeholder text |
| #33CC73 text on black | 10.02:1 | AAA | Lc -61.8 | 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
#EEF9F1
oklch(97.2% 0.016 154.5)
-
Step 100
100
#DBF1E0
oklch(93.7% 0.032 152.4)
-
Step 200
200
#BBE6C6
oklch(88.6% 0.063 152.8)
-
Step 300
300
#87D69E
oklch(81% 0.111 152.6)
-
Step 400
400 (this color)
#33CC73
oklch(74.7% 0.178 152.5)
-
Step 500
500
#00A455
oklch(63% 0.164 152.5)
-
Step 600
600
#008A47
oklch(55.5% 0.144 152.6)
-
Step 700
700
#00743B
oklch(49% 0.127 152.7)
-
Step 800
800
#00602F
oklch(42.8% 0.112 152.4)
-
Step 900
900
#005026
oklch(37.8% 0.099 152.3)
-
Step 950
950
#003014
oklch(27.1% 0.071 152.1)
#33CC73 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) | #CCBB6C | 0.152 |
| Deuteranopia (no green cones) | #BAAE79 | 0.150 |
| Tritanopia (no blue cones) | #00C9B6 | 0.093 |
| Achromatopsia (no color) | #B3B3B3 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33CC73
#33CC73
oklch(74.7% 0.178 152.5)
- #ED7EDE
#ED7EDE
oklch(74.8% 0.178 332.4)
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 #33CC73, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed #18D17B ΔE 0.014
- Algae Green #21C36F ΔE 0.027
- Dark Mint #48C072 ΔE 0.034
- Dark Mint Green #20C073 ΔE 0.037
- Greenblue #23C48B ΔE 0.044
- Soft Green #6FC276 ΔE 0.047
- Shamrock Green #02C14D ΔE 0.051
- Emerald #06D6A0 ΔE 0.055
Use #33CC73 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.