#617F18

Closest named color: Olive Green (#677A04). oklch(55.4% 0.129 125.2), rgb(97, 127, 24).

White text reads best on this color (4.60:1).

About this color

#617F18 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.129 and its hue 125°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Green (#677A04), ΔE 0.015 away. White text reads best on it, at 4.60:1.

Hue family	Greens
Lightness	medium-dark (55%)
Chroma	moderately saturated (0.129)
Temperature	in between
Nearest name	Olive Green (#677A04)
Black text	4.55:1
White text	4.60:1

Values

HEX	#617F18
RGB	rgb(97, 127, 24)
HSL	hsl(77, 68%, 30%)
OKLCH	oklch(55.4% 0.129 125.2)

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 #617F18	4.60:1	AA	Lc -77.3	Fine for body text
Black text on #617F18	4.55:1	AA	Lc 32.2	Non-text elements, placeholder text
#617F18 text on white	4.60:1	AA	Lc 71.9	Content text, not long reading
#617F18 text on black	4.55:1	AA	Lc -29.8	Dividers and decoration only

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

#F4F6F1

oklch(97% 0.007 124.4)
Step 100
100

#E7ECE0

oklch(93.6% 0.017 125.3)
Step 200
200

#D4DDC6

oklch(88.4% 0.032 124.5)
Step 300
300

#B8C89F

oklch(81% 0.058 125)
Step 400
400

#93AB6A

oklch(70.7% 0.093 125.2)
Step 500
500

#79963F

oklch(63.2% 0.119 125.1)
Step 600
600 (this color)

#617F18

oklch(55.4% 0.129 125.2)
Step 700
700

#516C08

oklch(49.2% 0.121 125.2)
Step 800
800

#42580E

oklch(42.7% 0.1 125.4)
Step 900
900

#384815

oklch(37.6% 0.077 124.9)
Step 950
950

#212B0E

oklch(27.2% 0.05 125.4)

Export this scale for Tailwind in the Tailwind colors tool

#617F18 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)	#867600	0.056
Deuteranopia (no green cones)	#827523	0.058
Tritanopia (no blue cones)	#66796C	0.105
Achromatopsia (no color)	#757575	0.130