#33A550
Closest named color: Mid Green (#50A747). oklch(63.9% 0.159 148.1), rgb(51, 165, 80).
Aa
Black text reads best on this color (6.63:1).
About this color
#33A550 is a medium-light, vivid green. In OKLCH its lightness is 64%, its chroma 0.159 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mid Green (#50A747), ΔE 0.022 away. Black text reads best on it, at 6.63:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.159) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.63:1 |
| White text | 3.16:1 |
Values
| HEX | #33A550 |
| RGB | rgb(51, 165, 80) |
| HSL | hsl(135, 53%, 42%) |
| OKLCH | oklch(63.9% 0.159 148.1) |
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 #33A550 | 3.16:1 | AA large text | Lc -63.7 | Content text, not long reading |
| Black text on #33A550 | 6.63:1 | AA | Lc 45.7 | Large or bold text, headings |
| #33A550 text on white | 3.16:1 | AA large text | Lc 58.3 | Large or bold text, headings |
| #33A550 text on black | 6.63:1 | AA | Lc -43.4 | Non-text elements, placeholder text |
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
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E0EEE2
oklch(93.5% 0.022 149.7)
-
Step 200
200
#C7E2C9
oklch(88.6% 0.044 147.3)
-
Step 300
300
#9FCFA5
oklch(80.9% 0.077 148.2)
-
Step 400
400
#66B673
oklch(70.8% 0.125 147.9)
-
Step 500
500 (this color)
#33A550
oklch(63.9% 0.159 148.1)
-
Step 600
600
#008B37
oklch(55.5% 0.16 148.3)
-
Step 700
700
#00752D
oklch(49.1% 0.141 148.2)
-
Step 800
800
#006023
oklch(42.7% 0.123 148.1)
-
Step 900
900
#07501E
oklch(37.8% 0.105 148)
-
Step 950
950
#092F13
oklch(27.1% 0.066 148.6)
#33A550 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) | #A79749 | 0.128 |
| Deuteranopia (no green cones) | #998D56 | 0.126 |
| Tritanopia (no blue cones) | #00A291 | 0.091 |
| Achromatopsia (no color) | #919191 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33A550
#33A550
oklch(63.9% 0.159 148.1)
- #BE64BC
#BE64BC
oklch(63.9% 0.16 328.1)
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 #33A550, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.022
- Medium Green #39AD48 ΔE 0.028
- Seaweed Green #35AD6B ΔE 0.035
- Jade Green #2BAF6A ΔE 0.036
- Muted Green #5FA052 ΔE 0.036
- Dark Pastel Green #56AE57 ΔE 0.040
- Fern #63A950 ΔE 0.041
- Jade #1FA774 ΔE 0.043
Use #33A550 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.