#33C770
Closest named color: Algae Green (#21C36F). oklch(73.4% 0.174 152.4), rgb(51, 199, 112).
Aa
Black text reads best on this color (9.54:1).
About this color
#33C770 is a medium-light, vivid green. In OKLCH its lightness is 73%, its chroma 0.174 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Algae Green (#21C36F), ΔE 0.014 away. Black text reads best on it, at 9.54:1.
| Hue family | Greens |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.174) |
| Temperature | in between |
| Nearest name | Algae Green (#21C36F) |
| Black text | 9.54:1 |
| White text | 2.20:1 |
Values
| HEX | #33C770 |
| RGB | rgb(51, 199, 112) |
| HSL | hsl(145, 59%, 49%) |
| OKLCH | oklch(73.4% 0.174 152.4) |
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 #33C770 | 2.20:1 | Fails | Lc -47.6 | Large or bold text, headings |
| Black text on #33C770 | 9.54:1 | AAA | Lc 61.1 | Content text, not long reading |
| #33C770 text on white | 2.20:1 | Fails | Lc 42.8 | Non-text elements, placeholder text |
| #33C770 text on black | 9.54:1 | AAA | Lc -59.4 | 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 400.
-
Step 50
50
#EFF8F1
oklch(97% 0.013 152.6)
-
Step 100
100
#DBF0E0
oklch(93.5% 0.031 152.9)
-
Step 200
200
#BCE5C6
oklch(88.4% 0.06 152.4)
-
Step 300
300
#88D59E
oklch(80.8% 0.109 152.4)
-
Step 400
400 (this color)
#33C770
oklch(73.4% 0.174 152.4)
-
Step 500
500
#00A455
oklch(63% 0.164 152.5)
-
Step 600
600
#008A46
oklch(55.5% 0.145 152.3)
-
Step 700
700
#00743A
oklch(49% 0.128 152.4)
-
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)
#33C770 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) | #C7B66A | 0.149 |
| Deuteranopia (no green cones) | #B6AA76 | 0.147 |
| Tritanopia (no blue cones) | #00C4B2 | 0.092 |
| Achromatopsia (no color) | #AFAFAF | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33C770
#33C770
oklch(73.4% 0.174 152.4)
- #E77BD8
#E77BD8
oklch(73.4% 0.174 332.6)
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 #33C770, closest first.
No curated palette has a color within ΔE 0.04 of #33C770.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Algae Green #21C36F ΔE 0.014
- Dark Mint #48C072 ΔE 0.022
- Dark Mint Green #20C073 ΔE 0.024
- Seaweed #18D17B ΔE 0.027
- Greenblue #23C48B ΔE 0.038
- Cool Green #33B864 ΔE 0.042
- Shamrock Green #02C14D ΔE 0.043
- Soft Green #6FC276 ΔE 0.044
Use #33C770 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.