#33AE57
Closest named color: Medium Green (#39AD48). oklch(66.4% 0.165 149), rgb(51, 174, 87).
Aa
Black text reads best on this color (7.33:1).
About this color
#33AE57 is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.165 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Green (#39AD48), ΔE 0.015 away. Black text reads best on it, at 7.33:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.165) |
| Temperature | in between |
| Nearest name | Medium Green (#39AD48) |
| Black text | 7.33:1 |
| White text | 2.86:1 |
Values
| HEX | #33AE57 |
| RGB | rgb(51, 174, 87) |
| HSL | hsl(138, 55%, 44%) |
| OKLCH | oklch(66.4% 0.165 149) |
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 #33AE57 | 2.86:1 | Fails | Lc -59.7 | Large or bold text, headings |
| Black text on #33AE57 | 7.33:1 | AAA | Lc 49.7 | Large or bold text, headings |
| #33AE57 text on white | 2.86:1 | Fails | Lc 54.4 | Large or bold text, headings |
| #33AE57 text on black | 7.33:1 | AAA | Lc -47.4 | 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 500.
-
Step 50
50
#F1F8F2
oklch(97.2% 0.011 149.9)
-
Step 100
100
#E0EEE2
oklch(93.5% 0.022 149.7)
-
Step 200
200
#C6E2C9
oklch(88.5% 0.045 148.2)
-
Step 300
300
#9CD0A4
oklch(80.9% 0.082 148.9)
-
Step 400
400
#61B773
oklch(70.8% 0.13 149)
-
Step 500
500 (this color)
#33AE57
oklch(66.4% 0.165 149)
-
Step 600
600
#008B3A
oklch(55.6% 0.157 148.9)
-
Step 700
700
#007530
oklch(49.1% 0.138 149)
-
Step 800
800
#006026
oklch(42.7% 0.12 149)
-
Step 900
900
#00501F
oklch(37.7% 0.106 149.2)
-
Step 950
950
#062F12
oklch(26.9% 0.069 148.9)
#33AE57 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) | #AF9F50 | 0.133 |
| Deuteranopia (no green cones) | #A1955D | 0.132 |
| Tritanopia (no blue cones) | #00AB9A | 0.093 |
| Achromatopsia (no color) | #999999 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33AE57
#33AE57
oklch(66.4% 0.165 149)
- #C96AC4
#C96AC4
oklch(66.5% 0.164 329.2)
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 #33AE57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Green #39AD48 ΔE 0.015
- Jade Green #2BAF6A ΔE 0.022
- Dark Pastel Green #56AE57 ΔE 0.024
- Mid Green #50A747 ΔE 0.024
- Seaweed Green #35AD6B ΔE 0.026
- Shamrock #01B44C ΔE 0.027
- Cool Green #33B864 ΔE 0.029
- Medium Sea Green #3CB371 ΔE 0.033
Use #33AE57 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.