#1EB378
Closest named color: Dark Seafoam (#1FB57A). oklch(68% 0.147 160), rgb(30, 179, 120).
Aa
Black text reads best on this color (7.77:1).
About this color
#1EB378 is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.147 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Seafoam (#1FB57A), ΔE 0.006 away. Black text reads best on it, at 7.77:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Dark Seafoam (#1FB57A) |
| Black text | 7.77:1 |
| White text | 2.70:1 |
Values
| HEX | #1EB378 |
| RGB | rgb(30, 179, 120) |
| HSL | hsl(156, 71%, 41%) |
| OKLCH | oklch(68% 0.147 160) |
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 #1EB378 | 2.70:1 | Fails | Lc -57.1 | Large or bold text, headings |
| Black text on #1EB378 | 7.77:1 | AAA | Lc 52.2 | Large or bold text, headings |
| #1EB378 text on white | 2.70:1 | Fails | Lc 51.9 | Large or bold text, headings |
| #1EB378 text on black | 7.77:1 | AAA | Lc -50.0 | 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
#EFF8F3
oklch(97.1% 0.012 162.1)
-
Step 100
100
#DCF0E4
oklch(93.7% 0.026 159.6)
-
Step 200
200
#BDE4CE
oklch(88.5% 0.051 160.5)
-
Step 300
300
#8BD3AC
oklch(80.9% 0.091 159.8)
-
Step 400
400 (this color)
#1EB378
oklch(68% 0.147 160)
-
Step 500
500
#00A36B
oklch(63.1% 0.143 160.1)
-
Step 600
600
#008959
oklch(55.6% 0.126 160)
-
Step 700
700
#00734A
oklch(49% 0.111 160)
-
Step 800
800
#005F3C
oklch(42.8% 0.097 159.8)
-
Step 900
900
#004F31
oklch(37.7% 0.086 159.7)
-
Step 950
950
#002F1C
oklch(26.9% 0.06 160.5)
#1EB378 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) | #B1A574 | 0.138 |
| Deuteranopia (no green cones) | #A0987C | 0.136 |
| Tritanopia (no blue cones) | #00B2A4 | 0.064 |
| Achromatopsia (no color) | #9D9D9D | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1EB378
#1EB378
oklch(68% 0.147 160)
- #D271B4
#D271B4
oklch(67.9% 0.146 340.1)
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 #1EB378, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Seafoam #1FB57A ΔE 0.006
- Green Teal #0CB577 ΔE 0.007
- Bluey Green #2BB179 ΔE 0.007
- Medium Sea Green #3CB371 ΔE 0.014
- Dark Seafoam Green #3EAF76 ΔE 0.016
- Jade Green #2BAF6A ΔE 0.018
- Seaweed Green #35AD6B ΔE 0.020
- Algae #54AC68 ΔE 0.031
Use #1EB378 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.