#34D78B
Closest named color: Seaweed (#18D17B). oklch(78% 0.17 157.4), rgb(52, 215, 139).
Aa
Black text reads best on this color (11.23:1).
About this color
#34D78B is a medium-light, vivid green. In OKLCH its lightness is 78%, its chroma 0.170 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed (#18D17B), ΔE 0.026 away. Black text reads best on it, at 11.23:1.
| Hue family | Greens |
| Lightness | medium-light (78%) |
| Chroma | vivid (0.170) |
| Temperature | in between |
| Nearest name | Seaweed (#18D17B) |
| Black text | 11.23:1 |
| White text | 1.86:1 |
Values
| HEX | #34D78B |
| RGB | rgb(52, 215, 139) |
| HSL | hsl(152, 67%, 52%) |
| OKLCH | oklch(78% 0.17 157.4) |
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 #34D78B | 1.86:1 | Fails | Lc -39.0 | Non-text elements, placeholder text |
| Black text on #34D78B | 11.23:1 | AAA | Lc 69.1 | Content text, not long reading |
| #34D78B text on white | 1.86:1 | Fails | Lc 34.8 | Non-text elements, placeholder text |
| #34D78B text on black | 11.23:1 | AAA | Lc -67.7 | 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 300.
-
Step 50
50
#EAFAF0
oklch(97.1% 0.021 158.6)
-
Step 100
100
#D0F4DD
oklch(93.5% 0.049 157.3)
-
Step 200
200
#A4EDC1
oklch(88.6% 0.095 157.4)
-
Step 300
300 (this color)
#34D78B
oklch(78% 0.17 157.4)
-
Step 400
400
#00BF76
oklch(70.8% 0.167 157.4)
-
Step 500
500
#00A364
oklch(63% 0.149 157.4)
-
Step 600
600
#008954
oklch(55.5% 0.13 157.7)
-
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
#002F1A
oklch(26.9% 0.063 158.2)
#34D78B 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) | #D5C686 | 0.155 |
| Deuteranopia (no green cones) | #C2B890 | 0.152 |
| Tritanopia (no blue cones) | #00D5C3 | 0.078 |
| Achromatopsia (no color) | #BEBEBE | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #34D78B
#34D78B
oklch(78% 0.17 157.4)
- #FB89DE
#FB89DE
oklch(78.1% 0.17 337.5)
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 #34D78B, closest first.
No curated palette has a color within ΔE 0.04 of #34D78B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed #18D17B ΔE 0.026
- Aqua Green #12E193 ΔE 0.026
- Emerald #06D6A0 ΔE 0.029
- Weird Green #3AE57F ΔE 0.047
- Greenblue #23C48B ΔE 0.057
- Soft Green #6FC276 ΔE 0.060
- Algae Green #21C36F ΔE 0.061
- Dark Mint #48C072 ΔE 0.063
Use #34D78B 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.