#54CD78
Closest named color: Seaweed (#18D17B). oklch(75.9% 0.163 150.5), rgb(84, 205, 120).
Aa
Black text reads best on this color (10.38:1).
About this color
#54CD78 is a medium-light, vivid green. In OKLCH its lightness is 76%, its chroma 0.163 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed (#18D17B), ΔE 0.024 away. Black text reads best on it, at 10.38:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Seaweed (#18D17B) |
| Black text | 10.38:1 |
| White text | 2.02:1 |
Values
| HEX | #54CD78 |
| RGB | rgb(84, 205, 120) |
| HSL | hsl(138, 55%, 57%) |
| OKLCH | oklch(75.9% 0.163 150.5) |
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 #54CD78 | 2.02:1 | Fails | Lc -43.4 | Non-text elements, placeholder text |
| Black text on #54CD78 | 10.38:1 | AAA | Lc 65.0 | Content text, not long reading |
| #54CD78 text on white | 2.02:1 | Fails | Lc 39.0 | Non-text elements, placeholder text |
| #54CD78 text on black | 10.38:1 | AAA | Lc -63.4 | 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
#ECFAEE
oklch(97.1% 0.022 149.7)
-
Step 100
100
#D4F3DA
oklch(93.5% 0.047 151)
-
Step 200
200
#AEEBBA
oklch(88.6% 0.091 150.2)
-
Step 300
300 (this color)
#54CD78
oklch(75.9% 0.163 150.5)
-
Step 400
400
#00C05B
oklch(70.6% 0.193 150.4)
-
Step 500
500
#00A54D
oklch(63.1% 0.172 150.4)
-
Step 600
600
#008B40
oklch(55.7% 0.152 150.4)
-
Step 700
700
#007535
oklch(49.2% 0.134 150.5)
-
Step 800
800
#00602A
oklch(42.8% 0.117 150.4)
-
Step 900
900
#005022
oklch(37.7% 0.103 150.5)
-
Step 950
950
#003012
oklch(27% 0.073 150.7)
#54CD78 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) | #CEBD72 | 0.136 |
| Deuteranopia (no green cones) | #BEB27E | 0.134 |
| Tritanopia (no blue cones) | #31CAB8 | 0.089 |
| Achromatopsia (no color) | #B6B6B6 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #54CD78
#54CD78
oklch(75.9% 0.163 150.5)
- #EA87E1
#EA87E1
oklch(75.9% 0.164 330.4)
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 #54CD78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed #18D17B ΔE 0.024
- Soft Green #6FC276 ΔE 0.034
- Dark Mint #48C072 ΔE 0.039
- Algae Green #21C36F ΔE 0.042
- Greenblue #23C48B ΔE 0.047
- Dark Mint Green #20C073 ΔE 0.049
- Emerald #06D6A0 ΔE 0.049
- Aqua Green #12E193 ΔE 0.055
Use #54CD78 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.