#618603
Closest named color: Sap Green (#5C8B15). oklch(57.1% 0.146 126.6), rgb(97, 134, 3).
Aa
Black text reads best on this color (4.91:1).
About this color
#618603 is a medium-dark, vivid green. In OKLCH its lightness is 57%, its chroma 0.146 and its hue 127°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sap Green (#5C8B15), ΔE 0.014 away. Black text reads best on it, at 4.91:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Sap Green (#5C8B15) |
| Black text | 4.91:1 |
| White text | 4.26:1 |
Values
| HEX | #618603 |
| RGB | rgb(97, 134, 3) |
| HSL | hsl(77, 96%, 27%) |
| OKLCH | oklch(57.1% 0.146 126.6) |
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 #618603 | 4.26:1 | AA large text | Lc -74.8 | Content text, not long reading |
| Black text on #618603 | 4.91:1 | AA | Lc 34.8 | Non-text elements, placeholder text |
| #618603 text on white | 4.26:1 | AA large text | Lc 69.3 | Content text, not long reading |
| #618603 text on black | 4.91:1 | AA | Lc -32.4 | 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 600.
-
Step 50
50
#F4F7F0
oklch(97.2% 0.01 125.7)
-
Step 100
100
#E6ECDF
oklch(93.5% 0.018 127.1)
-
Step 200
200
#D3DEC4
oklch(88.5% 0.037 125.9)
-
Step 300
300
#B5C99B
oklch(80.9% 0.066 126.9)
-
Step 400
400
#8FAD63
oklch(70.7% 0.106 126.9)
-
Step 500
500
#749833
oklch(63.2% 0.135 126.8)
-
Step 600
600 (this color)
#618603
oklch(57.1% 0.146 126.6)
-
Step 700
700
#4E6D00
oklch(49.2% 0.126 126.7)
-
Step 800
800
#3F5900
oklch(42.7% 0.11 126.7)
-
Step 900
900
#35490D
oklch(37.5% 0.087 126.6)
-
Step 950
950
#1F2B0A
oklch(26.9% 0.055 126.8)
#618603 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) | #8E7C00 | 0.069 |
| Deuteranopia (no green cones) | #897A19 | 0.068 |
| Tritanopia (no blue cones) | #667F71 | 0.117 |
| Achromatopsia (no color) | #7A7A7A | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #618603
#618603
oklch(57.1% 0.146 126.6)
- #8E5DBA
#8E5DBA
oklch(57.1% 0.146 306.7)
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 #618603, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sap Green #5C8B15 ΔE 0.014
- Mossy Green #638B27 ΔE 0.020
- Swamp Green #748500 ΔE 0.025
- Olive Drab #6B8E23 ΔE 0.030
- Moss Green #658B38 ΔE 0.033
- Olive Green #677A04 ΔE 0.035
- Dark Yellow Green #728F02 ΔE 0.036
- Murky Green #6C7A0E ΔE 0.038
Use #618603 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.